| 释义 |
- References
{{Infobox planet
| name = HD 12661 c
| discoverer = Fischer et al.
| discovery_site = California & Carnegie
Planet Search
{{flag|USA}}
| discovered = April 1, 2003
| discovery_method = Radial velocity
| apsis = astron
| semimajor = {{convert|2.56|AU|km|abbr=on}}
| eccentricity = 0.031 ± 0.022
| period = 1708 ± 14 d
| time_periastron = 2,452,130 ± 330
| arg_peri = 38
| semi-amplitude = 29.27 ± 0.88
| star = HD 12661
}}HD 12661 c is a giant exoplanet one and a half times the mass of Jupiter orbiting around HD 12661.References
}}{{HD 12661}}{{Sky|02|04|34.36|+|25|24|53|121.202668153}}{{extrasolar-planet-stub}} 5 : Exoplanets|Aries (constellation)|Exoplanets discovered in 2003|Giant planets|Exoplanets detected by radial velocity |